Your body has to work harder in hot temperatures to keep your core temperature normal, which puts more strain on your heart, kidneys, and lungs. This suggests that you may be more vulnerable if you have a heart issue. Summertime’s high heat makes maintaining heart health more difficult.
As temperatures rise, there is a considerable increase in the number of cardiovascular disease (CVD) deaths and disability. An unsettling correlation has been found by research: a modest 1 degree Celsius increase in temperature is associated with a 2.1% increase in fatalities from cardiovascular disease (CVD) and a 0.5% increase in diseases related to it.